# needed for creates, but are currently not run :-(
# This will throw an exception if there is an inconsistency
def check_consistency(old, new, user)
- if new.version != old.version
- raise OSM::APIVersionMismatchError.new(new.version, old.version)
+ if new.id != old.id or new.id.nil? or old.id.nil?
+ raise OSM::APIPreconditionFailedError.new("New and old IDs don't match on #{new.class.to_s}. #{new.id} != #{old.id}.")
+ elsif new.version != old.version
+ raise OSM::APIVersionMismatchError.new(new.id, new.class.to_s, new.version, old.version)
elsif new.changeset.nil?
raise OSM::APIChangesetMissingError.new
elsif new.changeset.user_id != user.id
raise OSM::APIUserChangesetMismatchError.new
elsif not new.changeset.is_open?
- raise OSM::APIChangesetAlreadyClosedError.new
+ raise OSM::APIChangesetAlreadyClosedError.new(new.changeset)
+ end
+ end
+
+ # This is similar to above, just some validations don't apply
+ def check_create_consistency(new, user)
+ if new.changeset.nil?
+ raise OSM::APIChangesetMissingError.new
+ elsif new.changeset.user_id != user.id
+ raise OSM::APIUserChangesetMismatchError.new
+ elsif not new.changeset.is_open?
+ raise OSM::APIChangesetAlreadyClosedError.new(new.changeset)
+ end
+ end
+
+ ##
+ # subset of consistency checks which should be applied to almost
+ # all the changeset controller's writable methods.
+ def check_changeset_consistency(changeset, user)
+ # check user credentials - only the user who opened a changeset
+ # may alter it.
+ if changeset.nil?
+ raise OSM::APIChangesetMissingError.new
+ elsif user.id != changeset.user_id
+ raise OSM::APIUserChangesetMismatchError.new
+ elsif not changeset.is_open?
+ raise OSM::APIChangesetAlreadyClosedError.new(changeset)
end
end
end